i stuck in applying mods too but i figure it out, not sure it work for you and anyone else, if you backup your PATCH folder in UPDATE folder even you change your name ---backup--- or stuff that will make frosty mod manager not launching, you need to change your ---backup--- folder to another folder away from UPDATE folder example your backup folder: DAI\Update\---backup--- ( this will make frosty wont lauching ) need to change ---backup--- to another folder DAI\---backup--- you good to go, hope this help people in future